Finding the Fourth Proportional to 307,795.21, 461,855.32 and 218,415.49
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Solution
The fourth proportional to 307,795.21, 461,855.32 and 218,415.49 is: 327,738.55
Step by Step Solution
- Step 1: Write the proportion equation
307,795.21 : 461,855.32 = 218,415.49 : x - Step 2: Convert to fraction form
307,795.21/461,855.32 = 218,415.49/x - Step 3: Cross multiply
307,795.21x = 461,855.32 × 218,415.49 - Step 4: Simplify right side
307,795.21x = 100,876,354,326.23 - Step 5: Solve for x
x = 100,876,354,326.23/307,795.21 - Step 6: Final answer
x = 327,738.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.